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MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers
Question # 1
What is the formula of talc or soapstone?
Choose an answer
Na2B4O7.10H2O
H2Mg3(SiO3)4
Cu2S
NaNO3
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Question # 2
Corrundam is ore of which element?
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Al
Th
In
Mg
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Question # 3
What is the formula of clay?
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Asbestos
Talc
H2Al2(SiO4)2.H2O
Na2SiO3
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Question # 4
Elements of group IV-A are
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neither strongly electropositive nor strongly electronegative
strongly electropositive
strongly electronegative
none of these
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Question # 5
Asbestos is commonly used in making
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wall board
black board
soft board
hard board
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Question # 6
Elements of II-A group are called alkaline earth metals due to the reason that
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they occur in earth only
they form divalent cations only
they have ns2 electronic configuration
their oxides and hydroxides are alkaline in nature and metals are present in earth crust
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Question # 7
Which of the following configurations corresponds to alkaline earth metals?
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[Ar] 3d10, 4s2
[Ne] 3d2, 3p2
[Ar] 4s2
[Ar], 3d10, 4s1
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Question # 8
Which of the following belongs to alkaline earth metals
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Cu
Zn
Sn
Mg
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Question # 9
Which of the following are not known to form compounds in more than one oxidation state?
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Transition metals
Halogens
Alkali metals
Noble gases
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Question # 10
About 25% of earth crust mass is made up of element
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Oxygen
Silicon
Aluminium
Aluminates
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Question # 11
The general electronic configuration of group IV-A elements is
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ns2, np6
ns2, np4
ns2, np3
ns2, np2
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Question # 12
Which is not mineral of AI?
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Diaspore
Corrundam
Bauxite
Galena
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Question # 13
Which element of group V-A and VII-A does not use d-orbital?
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Nitrogen
Sulphur
Arsenic
Chlorine
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Question # 14
Formula of sodium beryllite is
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Na2B4O7
Na2BeO2
BeONa
Na2B4O7 .10 H2O
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Question # 15
What is the formula of magnesite?
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PbS
MgSO4. 7H2O
MgCO3
CaCO3
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Question # 16
Beryllium differs from other elements of group Il-A due to
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high charge density
comparatively high nuclear charge
small radius
all above
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Question # 17
What is the formula of cryolite?
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Al2O3.2H2O
Na2B4O7 .10 H2O
Na3AIF6
Ca2B6O11. 5H2O
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Question # 18
Elements of group ll-A are called
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f-block elements
s-block elements
p-block elements
d-block elements
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Question # 19
One of the following metals is the most reactive and form super oxide. Indicate that
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Mg
K
Be
Li
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Question # 20
Which of the following does not give flame test?
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Li
Ba
Mg
Sr
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